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Search: id:A022431
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A022431 a(n) = c(n-1) + c(n-3) where c is the sequence of numbers not in a. +0
1
1, 2, 7, 8, 10, 14, 17, 21, 24, 27, 29, 33, 35, 38, 41, 43, 47, 49, 53, 56, 59, 62, 65, 68, 71, 75, 77, 81, 84, 87, 90, 93, 96, 99, 102, 105, 107, 111, 113, 117, 119, 123, 125, 129, 131, 135 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A045980 A104339 A039005 this_sequence A047525 A075766 A005538

Adjacent sequences: A022428 A022429 A022430 this_sequence A022432 A022433 A022434

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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